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Cheap flights from Portland to Ireland from $275

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Portland to Ireland departing on 10/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Portland to Ireland

Cheap round-trip flights

United Airlines Logo
11:59 pm - 8:10 amPDX-DUB
25h 11m1 stop
United Airlines Logo
9:00 am - 8:38 pmDUB-PDX
43h 38m2 stops
$437United Airlines
Find Deal
sáb, out 25 - sex, nov 7
United Airlines Logo
8:30 am - 9:55 amPDX-DUB
17h 25m2 stops
United Airlines Logo
10:40 am - 6:40 pmDUB-PDX
16h 00m1 stop
$438United Airlines
Find Deal
ter, nov 4 - ter, nov 18
Air Canada Logo
6:15 am - 7:45 amPDX-DUB
41h 30m2 stops
Air Canada Logo
9:20 am - 9:21 amDUB-PDX
32h 01m1 stop
$441Air Canada
Find Deal
ter, set 9 - qua, set 17
Air Canada Logo
6:15 am - 7:45 amPDX-DUB
17h 30m2 stops
Air Canada Logo
9:20 am - 2:46 pmDUB-PDX
13h 26m1 stop
$442Air Canada
Find Deal
seg, out 6 - qua, out 22
American Airlines Logo
7:25 pm - 5:45 pmPDX-DUB
15h 20m1 stop
American Airlines Logo
12:55 pm - 9:23 pmDUB-PDX
16h 28m1 stop
$452American Airlines
Find Deal
sáb, out 25 - sex, nov 7
Icelandair Logo
3:45 pm - 10:15 amPDX-DUB
11h 30m1 stop
Icelandair Logo
11:30 am - 5:00 pmDUB-PDX
13h 30m1 stop
$456Icelandair
Find Deal
ter, out 28 - dom, nov 9
American Airlines Logo
7:25 pm - 5:15 pmPDX-DUB
13h 50m1 stop
American Airlines Logo
12:55 pm - 9:47 pmDUB-PDX
15h 52m1 stop
$477American Airlines
Find Deal
sex, out 17 - sáb, nov 1
Icelandair Logo
3:45 pm - 10:15 amPDX-DUB
11h 30m1 stop
Icelandair Logo
11:30 am - 5:00 pmDUB-PDX
13h 30m1 stop
$480Icelandair
Find Deal
sáb, nov 1 - qua, nov 12
Delta Logo
1:25 pm - 4:45 pmPDX-ORK
19h 20m1 stop
Delta Logo
5:15 pm - 11:25 amORK-PDX
26h 10m1 stop
$622Delta
Find Deal
qua, nov 12 - dom, nov 16
Delta Logo
6:15 am - 12:55 pmPDX-ORK
22h 40m2 stops
Delta Logo
6:00 am - 11:25 amORK-PDX
13h 25m1 stop
$626Delta
Find Deal
qua, nov 12 - dom, nov 16

American Airlines flights from Portland to Ireland

Our best American Airlines deals on Portland to Ireland flight tickets
American Airlines
Oct 25
PDX7:25 pmPortland
15h 20m
1 stop
DUB5:45 pmDublin
Nov 7
DUB12:55 pmDublin
16h 28m
1 stop
PDX9:23 pmPortland
$452
Find similar
American Airlines
Oct 17
PDX7:25 pmPortland
13h 50m
1 stop
DUB5:15 pmDublin
Nov 1
DUB12:55 pmDublin
15h 52m
1 stop
PDX9:47 pmPortland
$477
Find similar
American Airlines
Nov 13
PDX1:28 pmPortland
16h 07m
2 stops
DUB1:35 pmDublin
Nov 22
DUB12:55 pmDublin
18h 04m
1 stop
PDX10:59 pmPortland
$481
Find similar

United Airlines flights from Portland to Ireland

Our best United Airlines deals on Portland to Ireland flight tickets
United Airlines
Oct 25
PDX11:59 pmPortland
25h 11m
1 stop
DUB8:10 amDublin
Nov 7
DUB9:00 amDublin
43h 38m
2 stops
PDX8:38 pmPortland
$437
Find similar
United Airlines
Nov 4
PDX8:30 amPortland
17h 25m
2 stops
DUB9:55 amDublin
Nov 18
DUB10:40 amDublin
16h 00m
1 stop
PDX6:40 pmPortland
$438
Find similar
United Airlines
Oct 27
PDX11:59 pmPortland
25h 11m
1 stop
DUB8:10 amDublin
Nov 6
DUB10:40 amDublin
16h 00m
1 stop
PDX6:40 pmPortland
$440
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Portland to Ireland that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated agosto 18, 2025.
Use the filters below to find and compare flights from Portland to Ireland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PortlandDublin

PDX - DUB

PDXDUB

Portland

sáb 10/25

11:59 pm-8:10 am

1 stop25h 11m

Dublin

sex 11/7

9:00 am-8:38 pm

2 stops43h 38m

$437

PortlandDublin

PDX - DUB

PDXDUB

Portland

ter 11/4

8:30 am-9:55 am

2 stops17h 25m

Dublin

ter 11/18

10:40 am-6:40 pm

1 stop16h 00m

$438

PortlandDublin

PDX - DUB

PDXDUB

Portland

ter 9/9

6:15 am-7:45 am

2 stops41h 30m

Dublin

qua 9/17

9:20 am-9:21 am

1 stop32h 01m

$441

PortlandDublin

PDX - DUB

PDXDUB

Portland

seg 10/6

6:15 am-7:45 am

2 stops17h 30m

Dublin

qua 10/22

9:20 am-2:46 pm

1 stop13h 26m

$442

PortlandDublin

PDX - DUB

PDXDUB

Portland

sáb 10/25

7:25 pm-5:45 pm

1 stop15h 20m

Dublin

sex 11/7

12:55 pm-9:23 pm

1 stop16h 28m

$452

PortlandDublin

PDX - DUB

PDXDUB

Portland

ter 10/28

3:45 pm-10:15 am

1 stop11h 30m

Dublin

dom 11/9

11:30 am-5:00 pm

1 stop13h 30m

$456

PortlandDublin

PDX - DUB

PDXDUB

Portland

sex 10/17

7:25 pm-5:15 pm

1 stop13h 50m

Dublin

sáb 11/1

12:55 pm-9:47 pm

1 stop15h 52m

$477

PortlandDublin

PDX - DUB

PDXDUB

Portland

sáb 11/1

3:45 pm-10:15 am

1 stop11h 30m

Dublin

qua 11/12

11:30 am-5:00 pm

1 stop13h 30m

$480

PortlandCork

PDX - ORK

PDXORK

Portland

qua 11/12

1:25 pm-4:45 pm

1 stop19h 20m

Cork

dom 11/16

5:15 pm-11:25 am

1 stop26h 10m

$622

PortlandCork

PDX - ORK

PDXORK

Portland

qua 11/12

6:15 am-12:55 pm

2 stops22h 40m

Cork

dom 11/16

6:00 am-11:25 am

1 stop13h 25m

$626

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Ireland from

How to get the cheapest flight ticket from Portland to Ireland

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Ireland?

In general, November is the cheapest month to fly from Portland to Ireland. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $468. If you aren’t able to travel to Ireland during the month of November, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $505.

What is the cheapest day to depart on your flight to Ireland?

The cheapest day to depart on your flight to Ireland is on a Tuesday when prices can be found for as low as $560. This is often the case because there is less demand to fly during this day of the week. Flights from Portland to Ireland on a Saturday will generally be more expensive and average around $743. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Ireland?

According to our data, the cheapest time of day to fly to Ireland is at noon. momondo users have found flights departing from Portland to Ireland at noon for as low as $597. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In contrast, the most expensive time of day to depart to Ireland is in the morning when prices are around $696.

How far in advance should I book a flight to Ireland?

You are more likely to see cheaper flights to Ireland from Portland when booking weeks ahead of your departure date. In general, you can expect to find flights to Ireland for around $602 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Ireland from Portland for as low as $571 on momondo.

Cheap Portland to Ireland flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Portland to Ireland

Best Price Found

$275

Fastest flight time

11h 30m

Direct flights

None

Airports in Ireland

3 airports
The best one-way flight to Ireland from Portland in the past 72 hours is $275. The best round-trip flight deal from Portland to Ireland found on momondo in the last 72 hours is $437.
The fastest flight from Portland to Ireland takes 11h 30m
There are no direct flights from Portland to Ireland. Popular non-direct routes for this connection are Portland Airport - Dublin Airport and Portland Airport - Shannon Airport.
There are 3 airports near Ireland: Dublin (DUB), Shannon (SNN), Cork (ORK)
Search flight deals

  • When did momondo last update prices for flights from Portland Airport to Ireland?

    Prices for flights from Portland Airport to Ireland are refreshed on a daily basis.

  • How many operators does momondo search for flights from Portland Airport to Ireland?

  • How old do you have to be to fly from Portland Airport to Ireland?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Portland Airport to Ireland.

  • What documentation or ID do you need to fly to Ireland?

    The travel and health documents you'll need for your trip to Ireland may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Ireland. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Portland to Ireland

Compare and see reviews for airlines that fly from Portland to Ireland with momondo
Airline
Rating
Free Cancellation
Price
IcelandairPriceFrom $345Free CancellationRating
7.0
527 reviews
Search Icelandair flights
IberiaPriceFrom $437Free CancellationRating
7.0
2,884 reviews
Search Iberia flights
British AirwaysPriceFrom $458Free CancellationRating
6.6
7,277 reviews
Search British Airways flights
KLMPriceFrom $462Free CancellationRating
7.8
1,385 reviews
Search KLM flights
United AirlinesPriceFrom $469Free CancellationRating
7.4
8,925 reviews
Search United Airlines flights
DeltaPriceFrom $473Free CancellationRating
8.0
7,981 reviews
Search Delta flights
American AirlinesPriceFrom $487Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
Air CanadaPriceFrom $489Free CancellationRating
7.1
9,992 reviews
Search Air Canada flights
LufthansaPriceFrom $490Free CancellationRating
6.8
7,330 reviews
Search Lufthansa flights
Air FrancePriceFrom $493Free CancellationRating
7.4
1,468 reviews
Search Air France flights

Why use momondo?

Why should I use momondo to find a flight deal from Portland to Ireland?

It is quick and easy to find Portland to Ireland flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Ireland that suits you.

Can I find flights from Portland to Ireland with flexible booking policies on momondo?

Flights from Portland to Ireland with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Portland to Ireland?

Once all potential Portland to Ireland flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Portland to Ireland right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Portland to Ireland flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your Ireland trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
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Find better results for your trip to Ireland

Popular cities in Ireland

Popular flights according to clicks in the last 7 days on momondo
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